461636 has 12 divisors (see below), whose sum is σ = 923328. Its totient is φ = 197832.

The previous prime is 461627. The next prime is 461639. The reversal of 461636 is 636164.

461636 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (461639) by changing a digit.

461636 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8216 + ... + 8271.

It is an arithmetic number, because the mean of its divisors is an integer number (76944).

2⁴⁶¹⁶³⁶ is an apocalyptic number.

It is an amenable number.

461636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461636 is a wasteful number, since it uses less digits than its factorization.

461636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16498 (or 16496 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 461636 is about 679.4380030584. The cubic root of 461636 is about 77.2858325681.

It can be divided in two parts, 4616 and 36, that multiplied together give a triangular number (166176 = T₅₇₆).

The spelling of 461636 in words is "four hundred sixty-one thousand, six hundred thirty-six".